Air conditioner



FIG. 1 is a front, bottom and right side perspective view of an air conditioner, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a reference enlarged cross-sectional view thereof; taken along line 8-8 of FIG. 2, with the internal system omitted;

FIG. 9 is an enlarged partial view of the upper left-hand corner of the front elevational view of FIG. 2;

FIG. 10 is a reference enlarged partial cross-sectional view of a top plan view thereof; taken along line 10-10 of FIG. 9 and line 10-10 of FIG. 5, with the internal system omitted; and,

FIG. 11 is a reference front, bottom and right side perspective view showing a state of use.

The broken lines in all views are shown for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an air conditioner, as shown and described. 